The fact that she can't talk makes ________ difficult for her to communicate with her new classmates.
— Shall I give you a ride as you live so far away? —Thank you.________.
I know Jack spends at least as much time reading as he________.
It is________ for us to deal with.
There are ________ books in our school library;however,________ of them are old.
Our government are taking firm measures to make pollution________.